Live Rock Question

Caribsea Honeycomb Base Rock is very porous hence light, Fiji live rock is much denser. Honeycomb rock will provide an excellent base for live rock of your choice. Personally, I'd go with something less dense like Lalo, Marshal, Tonga or Fiji shelf rock - just easier to aquascape with and looks a whole lot better than a few boulders covered in coraline that Fiji rock tends to be. Under proper conditions you won't be able to see a difference between a base rock and live rock in as few as 4 - 5 months. Just MHO. Good luck.
 
Fiji live rock is more porous than honeycomb. That gives certain tank critters more room to play and live. Also, you'll get more surface area for bacteria growth. You could get some honeycomb and seed it with fiji, then remove the fiji if you wanted.

At 50lbs. it wouldn't make a huge deal if you used either or, but to start out with, fiji is the best.
 
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